Ion Exchange Filter Structure for Conductive Coolant Purification
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Solution Overview
Problem
Traditional cooling technologies in charging piles for electric vehicles fail to effectively remove conductive ions from coolant liquids, leading to increased electric resistance and safety risks, such as short circuits, which affect the service life and safety of charging piles.
Innovation Solution
An ion exchange filter with a structured design that includes an outer housing, an ion exchanging device, and a resin-based ion exchanging element, along with a bypass valve and sealing rings, to adsorb conductive ions and manage coolant flow, ensuring safe and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If immersion liquid cooling technology is used to improve heat dissipation efficiency, then heat conduction resistance is reduced and heat dissipation efficiency is improved, but conductive ions accumulate in the coolant liquid causing electric resistance to increase and short circuit risks
Solution Approach 1:
The filter housing is divided into multiple sections with separate chambers for different functions: a first chamber containing filtration elements for particle removal, and a second chamber containing ion exchange resin for conductive ion removal. This segmentation allows each chamber to perform its specific function independently while working together to solve both heat dissipation and electrical safety requirements.
Solution Approach 2:
The patent introduces an ion exchange resin as an intermediary substance that selectively removes conductive ions from the coolant liquid without affecting its heat dissipation properties. The resin acts as a mediator between the coolant and the housing, enabling ion removal while maintaining the coolant's thermal performance.
2Reliability
If traditional air-cooled or indirect liquid cooling technologies are used, then electrical safety is maintained, but heat dissipation efficiency is insufficient for super charging piles
Solution Approach 1:
The patent extracts the harmful conductive ions from the coolant liquid through the ion exchange resin while retaining the beneficial cooling properties of the liquid. This extraction approach allows the system to maintain direct liquid contact cooling for high heat dissipation efficiency while removing the electrical safety hazards associated with conductive ions.
3Reliability
If a complex filtration system is designed to remove conductive ions, then electrical safety is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines particle filtration and ion exchange functions into a single integrated filter unit. The filtration elements and ion exchange resin are housed together in one housing with a unified structure, eliminating the need for separate filtration systems and reducing overall device complexity while maintaining both particle removal and conductive ion removal capabilities.
Solution Approach 2:
The filter housing serves multiple functions simultaneously: it houses both particle filtration elements and ion exchange resin, provides structural support, enables coolant flow distribution, and facilitates maintenance through removable components. This multi-functionality reduces the number of separate components needed and simplifies the overall system design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The ion exchange filter effectively removes conductive ions, enhancing the safety and service life of charging piles by maintaining coolant purity and reducing the risk of short circuits, while being environmentally friendly and cost-effective.
Implementation Method 1
an ion exchanging element disposed in the inner housing and configured to adsorb conductive ions in a coolant liquid
Data Source
AI summary
An ion exchange filter includes an outer housing comprising a coolant inlet and a coolant outlet, and an ion exchanging device configured to be disposed in the outer housing. The ion exchanging device comprises an inner housing configured to be inserted into the outer housing, the ion exchange filter further comprising an inlet chamber being defined between a bottom portion of the inner housing and a bottom portion of the outer housing, an ion exchanging element disposed in the inner housing and configured to adsorb conductive ions in a coolant liquid, and an upper cover removably connecting with the inner housing and removably connecting with the outer housing, the ion exchange filter further comprising an outlet chamber defined between a top portion of the inner housing and the ion exchanging element.